4 of these were left unanswered in previous threads I posted and  1,  the last one is new. I hope someone can help me with the answers:
Q 1. Best glue for Bachmann plastic and best glue for Bachmann to other plastic.
Q 2. Little advice from members on lubrication of Shay and 4 0 6. I saw on a youtube video someone  say car  motor oil works better on plastic gears than specialized products?
Q 3. How to replace damaged nylon toothed gear wheel on wheel axle of a 406 chassis and where to find a new wheel.
Q 4. Middle pair  of drive wheels on both my 4 6 0 chassis do not touch the rails, they stay constantly 1 cm above. It would seem that since both chassis exhibit the same characteristics it is either deliberately so or a general construction defect.
Q. 5. I bought a Dallee sound card with sound for my 38 ton two truck Shay, I removed the fuel bunker according to instructions to access the main PC board. For the simple installation I want The Dalle card needs only be connected to the right and left rail pickups. So which connectors on the PC card are these?

Thank you for your help.

I will most certainly never again mention other manufacturers, but in my defence do remember that as a comment to my thread Amazing transformation , senior members   recomended the Arixxxx mallet for my purpose, was in not for them I would not know of its existence, I am grateful to them for their sincerity.
I fully respect and understand the very logical idea. In Bachmann forum Bachmann trains .

I apologize, I won't share excitement in the future since that appears to upset some of you. Understandably.

More  on gondola
Etymology: mid 16th century: from Venetian Italian, from Rhaeto-Romanic gondolà 'to rock, roll.' 
Etymology: Italian dialect (Venetian), probably from Middle Greek kontoura small vessel.

I was doing something wrong,  I've registered now.

Tried to tegister in Mylargescale.com register sends me to the main page where again register ....?

Of the three train brands I now have, Bachmann is my favorite, I admire LGB for its history and typical german high quality, Aristo-Craft is to me a dinosaur,  defunct and fascinating and as such no competition  to eider Bachmann or LGB.  BACHMANN as you are all aware is big in many ways, size of products, quantity of products,  affordability , service and amount of parts. Bachmann has also many interesting models. So I guess I'll be posting here again.

Great stuff, can't wait!  Will join the other forum, hope they are as friendly as you all are!

I think I've just gone crazy, I write and sincerely believe I must slow down with this G scale addiction and I go and place a bid for an Aristo Craft 2-8-8-2 Mallet and I'm sure someone will surely place a higher bid than mine, (330)  but they don't.  So I win, I want to share this with you all because I consider you my real friends in this. I'm writing this in this thread  It belongs in another thread that is older, since nobody will read it there I post here also. It will be a while till I receive the bigest strongest loco I'l ever buy so if anyone knows it's dimensions please tell me.

I think I've just gone crazy, I write and sincerely believe I must slow down with this G scale addiction and I go and place a bid for an Aristo Craft 2-8-8-2 Mallet and I'm sure someone will surely place a higher bid than mine, (330)  but they don't.  So I win, I want to share this with you all because I consider you my friends in this. I'm writing this in this thread because it belongs here but since nobody will read it I'll post in a more recent thread also.

I've just bought a Dallee #911 Shay sound board and realise I need a speaker and perhaps a battery also. Can I use any 8 hom 1 or 2 watt speaker of the appropriate size or is it best to buy a speaker from Dallee or Phoenix?  I intend to use this particular loco exclusively indoors.
About the battery, is it absolutely necessary?  I suppose it must be bought from Dalle?

Thanks in advance.

Thanks so much everyone, I guess that now that I know the Aristo C 16 is smallish, I've lost interest, I still think its the most beautiful locomotive of all, I wish someone would make a bigger one, as for the Bachmann C 19 , I'll have to wait, I could not find one new or old at a price comparable to what I can buy a mint Aristo C 16, ($250).
I've become a G scale addict so quickly , going from 0 to 4 locomotives,  12 cars and 22 yards of brass rails in about 40 days. I think its time to slow down.  I've recently discovered the importance and unexpected extra large expense of sound, which I was not counting on. I think instead of buying either the Aristo C 16 or Bachmann C 19,  I will try to repair the chassis of my Swanee River 4 6 0 and buy a new 4 6 0 shell from Bachmann, that way with little expense I will have one more 4 6 0 . The new challenge being getting a new drive wheel  for the engine and learning how to install it. Any help with the new project much appreciated.

I found  a youtube video showing clearly the size difference with the big hauler I have,  do you run the C 16 only with exactly compatible cars? I see Aristo has different scales which complicates things further. I guess nobody makes a bigger C 16.

Everytime I shoose a file no matter how small I get a red message saying it is too big, any idea why?

As I learnt from K S all my locos and cars except my 1:20.3 Shay  are 1 :22.5 , so I suppose they are  closer to 1:20, I certainly did not know the Aristo was so much smaller, I guess the Bachman C 19 is much the same scale as my Shay. I'm a little disappointed because  I find the long cow catcher, square decorated lamp and other details extremely beautiful and elegant in the Aristo C 16. But I'm not prepared at least not now,  to buy a whole new dimension of cars. I guess the length given for both models is including the tender? Just out of curiosity since I'm not buying it.  Are the gears metallic on the Aristo? 
On another subject I just bought a Dalle sound board for my Shay, I was convinced of the beauty of  good sound watching the following youtube video "Alternating Trains with Acceleration & Deceleration and Phoenix Sound " which also  features the StationMaster I just bought for my "once around every half our " project and is where I first  saw the charming Aristo C 16.
Thanks everyone.

Please help me decide between the two.
What are the differences,  what the similarities, advantages, which is stronger,  which is bigger, they look so alike on web pages.
Thank you.